926281129225 has 27 divisors (see below), whose sum is σ = 1200841966933. Its totient is φ = 708721735040.

The previous prime is 926281129171. The next prime is 926281129229. The reversal of 926281129225 is 522921182629.

The square root of 926281129225 is 962435.

It is a perfect power (a square), and thus also a powerful number.

926281129225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7466860921 + 918814268304 = 86411^2 + 958548^2 .

It is not a de Polignac number, because 926281129225 - 2⁹ = 926281128713 is a prime.

It is a super-2 number, since 2×926281129225² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (926281129229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 110675841 + ... + 110684209.

Almost surely, 2^926281129225 is an apocalyptic number.

926281129225 is the 962435-th square number.

926281129225 is the 481218-th centered octagonal number.

It is an amenable number.

926281129225 is a deficient number, since it is larger than the sum of its proper divisors (274560837708).

926281129225 is an frugal number, since it uses more digits than its factorization.

926281129225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16794 (or 8397 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

Multiplying 926281129225 by its sum of digits (49), we get a square (45387775332025 = 6737045²).

The spelling of 926281129225 in words is "nine hundred twenty-six billion, two hundred eighty-one million, one hundred twenty-nine thousand, two hundred twenty-five".